Performance optimizations for WordPress. Improve localization performance and image handling, serve images through CDN.
Caching only works when using alternative MO implementation. To check if the cache works, activate WPPP debugging (requires Debug Bar) Plugin). This adds the panel WP Performance Pack to the Debug Bar. Textdomains using MO_dynamic implementation show information about translations loaded from cache. If no translations are getting loaded from cache, cache persistence isn't working.
Any persisten object cache will do, but it has to be supported in your hosting environment. Check if any caches like APC, XCache, Memcache, etc. are installed on your webserver and select a suitable cache plugin respectively. File based object caches should work always and might improve performance, same goes for data base based caches. Performance gains depend on the available caching method and its configuration.
Localization improvements are supported on multisite installations. When installed network wide only the network admin can see and edit WPPP options. Image handling improvements are not available for multisite.
In previous versions, WPPPs dynamic image resizing feature was based on Dynamic Image Resizer, at first with only some improvements. The first big change was a completely different way to serve the dynamically created images (using rewrite rules instead of the 404 handler), including support for the latest WordPress features. Since WPPP version 1.8 the way how creation of intermediate images at upload works also changed completely. Dynamic Image Resizer did prevent this by using different hooks called at upload. WPPP now overrides the registered image editors (those didn't exist when Dynamic Image Resizer was written) to only create the necessary metadata. This is way more robust and also works when editing images with WordPress.
According to its author, Dynamic Image Resizer is intended only as a proof of concept. You might say, WPPPs dynamic image feature is the working implementation of that proof of concept.
Requires: 3.8.1 or higher
Compatible up to: 3.9.2
Last Updated: 2014-8-15
2 of 6 support threads in the last two months have been resolved.
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